package com.lzy.common.exception;

import com.lzy.common.lang.Result;
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.ShiroException;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/**
 * 全局异常处理
 * @autor shkstart
 * @create 2021-01-14 15:50)
 */
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    @ResponseStatus(HttpStatus.BAD_REQUEST)  //400
    @ExceptionHandler(value = RuntimeException.class)
    public Result handler(RuntimeException e){
        log.error("运行时异常...........{}"+e);
        return Result.fail(e.getMessage());
    }

    @ResponseStatus(HttpStatus.UNAUTHORIZED) //401
    @ExceptionHandler(value = ShiroException.class)
    public Result handler(ShiroException e){
        log.error("运行时异常...........{}"+e);
        return Result.fail(e.getMessage());
    }


    //实体类异常
    @ResponseStatus(HttpStatus.BAD_REQUEST) //400
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public Result handler(MethodArgumentNotValidException e){
        log.error("实体校验异常...........{}"+e);

        BindingResult bindingResult = e.getBindingResult();
        ObjectError objectError = bindingResult.getAllErrors().stream().findFirst().get();

        return Result.fail(objectError.getDefaultMessage());
    }

    //断言异常
    @ResponseStatus(HttpStatus.BAD_REQUEST) //400
    @ExceptionHandler(value = IllegalArgumentException.class)
    public Result handler(IllegalArgumentException e){

        log.error("Assert异常...........{}"+e);
        return Result.fail(e.getMessage());
    }

}
